Headphone



FIG. 1 is a front perspective view of a headphone, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an enlarged detail view of area 8 in FIG. 3 .

The broken lines in the drawings illustrate the portions of the headphone, which form no part of the claimed design.

The dash-dot-dash broken lines encircling the enlarged views are for annotative purposes only and form no part of the claim thereof.

The dot dash broken lines surrounding portions of the headphone in FIG. 3 and illustrated in the enlarged view of FIG. 8 form no part of the claimed design. 

CLAIM The ornamental design for a headphone, as shown and described. 